root / hw / qdev-properties.c @ 9c17d615
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#include "net/net.h" |
---|---|
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#include "qdev.h" |
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#include "qapi/qmp/qerror.h" |
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#include "sysemu/blockdev.h" |
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#include "hw/block-common.h" |
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#include "net/hub.h" |
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#include "qapi/visitor.h" |
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#include "qemu-char.h" |
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|
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void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
|
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{ |
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void *ptr = dev;
|
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ptr += prop->offset; |
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return ptr;
|
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} |
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|
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static void get_pointer(Object *obj, Visitor *v, Property *prop, |
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const char *(*print)(void *ptr), |
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const char *name, Error **errp) |
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{ |
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DeviceState *dev = DEVICE(obj); |
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void **ptr = qdev_get_prop_ptr(dev, prop);
|
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char *p;
|
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|
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p = (char *) (*ptr ? print(*ptr) : ""); |
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visit_type_str(v, &p, name, errp); |
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} |
28 |
|
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static void set_pointer(Object *obj, Visitor *v, Property *prop, |
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int (*parse)(DeviceState *dev, const char *str, |
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void **ptr),
|
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const char *name, Error **errp) |
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{ |
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DeviceState *dev = DEVICE(obj); |
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Error *local_err = NULL;
|
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void **ptr = qdev_get_prop_ptr(dev, prop);
|
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char *str;
|
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int ret;
|
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|
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if (dev->state != DEV_STATE_CREATED) {
|
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error_set(errp, QERR_PERMISSION_DENIED); |
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return;
|
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} |
44 |
|
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visit_type_str(v, &str, name, &local_err); |
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if (local_err) {
|
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error_propagate(errp, local_err); |
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return;
|
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} |
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if (!*str) {
|
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g_free(str); |
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*ptr = NULL;
|
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return;
|
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} |
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ret = parse(dev, str, ptr); |
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error_set_from_qdev_prop_error(errp, ret, dev, prop, str); |
57 |
g_free(str); |
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} |
59 |
|
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static void get_enum(Object *obj, Visitor *v, void *opaque, |
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const char *name, Error **errp) |
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{ |
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DeviceState *dev = DEVICE(obj); |
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Property *prop = opaque; |
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int *ptr = qdev_get_prop_ptr(dev, prop);
|
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|
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visit_type_enum(v, ptr, prop->info->enum_table, |
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prop->info->name, prop->name, errp); |
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} |
70 |
|
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static void set_enum(Object *obj, Visitor *v, void *opaque, |
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const char *name, Error **errp) |
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{ |
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DeviceState *dev = DEVICE(obj); |
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Property *prop = opaque; |
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int *ptr = qdev_get_prop_ptr(dev, prop);
|
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|
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if (dev->state != DEV_STATE_CREATED) {
|
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error_set(errp, QERR_PERMISSION_DENIED); |
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return;
|
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} |
82 |
|
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visit_type_enum(v, ptr, prop->info->enum_table, |
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prop->info->name, prop->name, errp); |
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} |
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|
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/* Bit */
|
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|
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static uint32_t qdev_get_prop_mask(Property *prop)
|
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{ |
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assert(prop->info == &qdev_prop_bit); |
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return 0x1 << prop->bitnr; |
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} |
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|
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static void bit_prop_set(DeviceState *dev, Property *props, bool val) |
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{ |
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uint32_t *p = qdev_get_prop_ptr(dev, props); |
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uint32_t mask = qdev_get_prop_mask(props); |
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if (val)
|
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*p |= mask; |
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else
|
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*p &= ~mask; |
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} |
104 |
|
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static int print_bit(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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uint32_t *p = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, (*p & qdev_get_prop_mask(prop)) ? "on" : "off"); |
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} |
110 |
|
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static void get_bit(Object *obj, Visitor *v, void *opaque, |
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const char *name, Error **errp) |
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{ |
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DeviceState *dev = DEVICE(obj); |
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Property *prop = opaque; |
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uint32_t *p = qdev_get_prop_ptr(dev, prop); |
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bool value = (*p & qdev_get_prop_mask(prop)) != 0; |
118 |
|
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visit_type_bool(v, &value, name, errp); |
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} |
121 |
|
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static void set_bit(Object *obj, Visitor *v, void *opaque, |
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const char *name, Error **errp) |
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{ |
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DeviceState *dev = DEVICE(obj); |
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Property *prop = opaque; |
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Error *local_err = NULL;
|
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bool value;
|
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|
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if (dev->state != DEV_STATE_CREATED) {
|
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error_set(errp, QERR_PERMISSION_DENIED); |
132 |
return;
|
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} |
134 |
|
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visit_type_bool(v, &value, name, &local_err); |
136 |
if (local_err) {
|
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error_propagate(errp, local_err); |
138 |
return;
|
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} |
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bit_prop_set(dev, prop, value); |
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} |
142 |
|
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PropertyInfo qdev_prop_bit = { |
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.name = "boolean",
|
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.legacy_name = "on/off",
|
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.print = print_bit, |
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.get = get_bit, |
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.set = set_bit, |
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}; |
150 |
|
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/* --- 8bit integer --- */
|
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|
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static void get_uint8(Object *obj, Visitor *v, void *opaque, |
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const char *name, Error **errp) |
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{ |
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DeviceState *dev = DEVICE(obj); |
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Property *prop = opaque; |
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
159 |
|
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visit_type_uint8(v, ptr, name, errp); |
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} |
162 |
|
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static void set_uint8(Object *obj, Visitor *v, void *opaque, |
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const char *name, Error **errp) |
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{ |
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DeviceState *dev = DEVICE(obj); |
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Property *prop = opaque; |
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
169 |
|
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if (dev->state != DEV_STATE_CREATED) {
|
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error_set(errp, QERR_PERMISSION_DENIED); |
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return;
|
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} |
174 |
|
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visit_type_uint8(v, ptr, name, errp); |
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} |
177 |
|
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PropertyInfo qdev_prop_uint8 = { |
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.name = "uint8",
|
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.get = get_uint8, |
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.set = set_uint8, |
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}; |
183 |
|
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/* --- 8bit hex value --- */
|
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|
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static int parse_hex8(DeviceState *dev, Property *prop, const char *str) |
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{ |
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
189 |
char *end;
|
190 |
|
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if (str[0] != '0' || str[1] != 'x') { |
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return -EINVAL;
|
193 |
} |
194 |
|
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*ptr = strtoul(str, &end, 16);
|
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if ((*end != '\0') || (end == str)) { |
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return -EINVAL;
|
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} |
199 |
|
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return 0; |
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} |
202 |
|
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static int print_hex8(DeviceState *dev, Property *prop, char *dest, size_t len) |
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{ |
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop); |
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return snprintf(dest, len, "0x%" PRIx8, *ptr); |
207 |
} |
208 |
|
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PropertyInfo qdev_prop_hex8 = { |
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.name = "uint8",
|
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.legacy_name = "hex8",
|
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.parse = parse_hex8, |
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.print = print_hex8, |
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.get = get_uint8, |
215 |
.set = set_uint8, |
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}; |
217 |
|
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/* --- 16bit integer --- */
|
219 |
|
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static void get_uint16(Object *obj, Visitor *v, void *opaque, |
221 |
const char *name, Error **errp) |
222 |
{ |
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DeviceState *dev = DEVICE(obj); |
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Property *prop = opaque; |
225 |
uint16_t *ptr = qdev_get_prop_ptr(dev, prop); |
226 |
|
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visit_type_uint16(v, ptr, name, errp); |
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} |
229 |
|
230 |
static void set_uint16(Object *obj, Visitor *v, void *opaque, |
231 |
const char *name, Error **errp) |
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{ |
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DeviceState *dev = DEVICE(obj); |
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Property *prop = opaque; |
235 |
uint16_t *ptr = qdev_get_prop_ptr(dev, prop); |
236 |
|
237 |
if (dev->state != DEV_STATE_CREATED) {
|
238 |
error_set(errp, QERR_PERMISSION_DENIED); |
239 |
return;
|
240 |
} |
241 |
|
242 |
visit_type_uint16(v, ptr, name, errp); |
243 |
} |
244 |
|
245 |
PropertyInfo qdev_prop_uint16 = { |
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.name = "uint16",
|
247 |
.get = get_uint16, |
248 |
.set = set_uint16, |
249 |
}; |
250 |
|
251 |
/* --- 32bit integer --- */
|
252 |
|
253 |
static void get_uint32(Object *obj, Visitor *v, void *opaque, |
254 |
const char *name, Error **errp) |
255 |
{ |
256 |
DeviceState *dev = DEVICE(obj); |
257 |
Property *prop = opaque; |
258 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
259 |
|
260 |
visit_type_uint32(v, ptr, name, errp); |
261 |
} |
262 |
|
263 |
static void set_uint32(Object *obj, Visitor *v, void *opaque, |
264 |
const char *name, Error **errp) |
265 |
{ |
266 |
DeviceState *dev = DEVICE(obj); |
267 |
Property *prop = opaque; |
268 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
269 |
|
270 |
if (dev->state != DEV_STATE_CREATED) {
|
271 |
error_set(errp, QERR_PERMISSION_DENIED); |
272 |
return;
|
273 |
} |
274 |
|
275 |
visit_type_uint32(v, ptr, name, errp); |
276 |
} |
277 |
|
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static void get_int32(Object *obj, Visitor *v, void *opaque, |
279 |
const char *name, Error **errp) |
280 |
{ |
281 |
DeviceState *dev = DEVICE(obj); |
282 |
Property *prop = opaque; |
283 |
int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
284 |
|
285 |
visit_type_int32(v, ptr, name, errp); |
286 |
} |
287 |
|
288 |
static void set_int32(Object *obj, Visitor *v, void *opaque, |
289 |
const char *name, Error **errp) |
290 |
{ |
291 |
DeviceState *dev = DEVICE(obj); |
292 |
Property *prop = opaque; |
293 |
int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
294 |
|
295 |
if (dev->state != DEV_STATE_CREATED) {
|
296 |
error_set(errp, QERR_PERMISSION_DENIED); |
297 |
return;
|
298 |
} |
299 |
|
300 |
visit_type_int32(v, ptr, name, errp); |
301 |
} |
302 |
|
303 |
PropertyInfo qdev_prop_uint32 = { |
304 |
.name = "uint32",
|
305 |
.get = get_uint32, |
306 |
.set = set_uint32, |
307 |
}; |
308 |
|
309 |
PropertyInfo qdev_prop_int32 = { |
310 |
.name = "int32",
|
311 |
.get = get_int32, |
312 |
.set = set_int32, |
313 |
}; |
314 |
|
315 |
/* --- 32bit hex value --- */
|
316 |
|
317 |
static int parse_hex32(DeviceState *dev, Property *prop, const char *str) |
318 |
{ |
319 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
320 |
char *end;
|
321 |
|
322 |
if (str[0] != '0' || str[1] != 'x') { |
323 |
return -EINVAL;
|
324 |
} |
325 |
|
326 |
*ptr = strtoul(str, &end, 16);
|
327 |
if ((*end != '\0') || (end == str)) { |
328 |
return -EINVAL;
|
329 |
} |
330 |
|
331 |
return 0; |
332 |
} |
333 |
|
334 |
static int print_hex32(DeviceState *dev, Property *prop, char *dest, size_t len) |
335 |
{ |
336 |
uint32_t *ptr = qdev_get_prop_ptr(dev, prop); |
337 |
return snprintf(dest, len, "0x%" PRIx32, *ptr); |
338 |
} |
339 |
|
340 |
PropertyInfo qdev_prop_hex32 = { |
341 |
.name = "uint32",
|
342 |
.legacy_name = "hex32",
|
343 |
.parse = parse_hex32, |
344 |
.print = print_hex32, |
345 |
.get = get_uint32, |
346 |
.set = set_uint32, |
347 |
}; |
348 |
|
349 |
/* --- 64bit integer --- */
|
350 |
|
351 |
static void get_uint64(Object *obj, Visitor *v, void *opaque, |
352 |
const char *name, Error **errp) |
353 |
{ |
354 |
DeviceState *dev = DEVICE(obj); |
355 |
Property *prop = opaque; |
356 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
357 |
|
358 |
visit_type_uint64(v, ptr, name, errp); |
359 |
} |
360 |
|
361 |
static void set_uint64(Object *obj, Visitor *v, void *opaque, |
362 |
const char *name, Error **errp) |
363 |
{ |
364 |
DeviceState *dev = DEVICE(obj); |
365 |
Property *prop = opaque; |
366 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
367 |
|
368 |
if (dev->state != DEV_STATE_CREATED) {
|
369 |
error_set(errp, QERR_PERMISSION_DENIED); |
370 |
return;
|
371 |
} |
372 |
|
373 |
visit_type_uint64(v, ptr, name, errp); |
374 |
} |
375 |
|
376 |
PropertyInfo qdev_prop_uint64 = { |
377 |
.name = "uint64",
|
378 |
.get = get_uint64, |
379 |
.set = set_uint64, |
380 |
}; |
381 |
|
382 |
/* --- 64bit hex value --- */
|
383 |
|
384 |
static int parse_hex64(DeviceState *dev, Property *prop, const char *str) |
385 |
{ |
386 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
387 |
char *end;
|
388 |
|
389 |
if (str[0] != '0' || str[1] != 'x') { |
390 |
return -EINVAL;
|
391 |
} |
392 |
|
393 |
*ptr = strtoull(str, &end, 16);
|
394 |
if ((*end != '\0') || (end == str)) { |
395 |
return -EINVAL;
|
396 |
} |
397 |
|
398 |
return 0; |
399 |
} |
400 |
|
401 |
static int print_hex64(DeviceState *dev, Property *prop, char *dest, size_t len) |
402 |
{ |
403 |
uint64_t *ptr = qdev_get_prop_ptr(dev, prop); |
404 |
return snprintf(dest, len, "0x%" PRIx64, *ptr); |
405 |
} |
406 |
|
407 |
PropertyInfo qdev_prop_hex64 = { |
408 |
.name = "uint64",
|
409 |
.legacy_name = "hex64",
|
410 |
.parse = parse_hex64, |
411 |
.print = print_hex64, |
412 |
.get = get_uint64, |
413 |
.set = set_uint64, |
414 |
}; |
415 |
|
416 |
/* --- string --- */
|
417 |
|
418 |
static void release_string(Object *obj, const char *name, void *opaque) |
419 |
{ |
420 |
Property *prop = opaque; |
421 |
g_free(*(char **)qdev_get_prop_ptr(DEVICE(obj), prop));
|
422 |
} |
423 |
|
424 |
static int print_string(DeviceState *dev, Property *prop, char *dest, size_t len) |
425 |
{ |
426 |
char **ptr = qdev_get_prop_ptr(dev, prop);
|
427 |
if (!*ptr)
|
428 |
return snprintf(dest, len, "<null>"); |
429 |
return snprintf(dest, len, "\"%s\"", *ptr); |
430 |
} |
431 |
|
432 |
static void get_string(Object *obj, Visitor *v, void *opaque, |
433 |
const char *name, Error **errp) |
434 |
{ |
435 |
DeviceState *dev = DEVICE(obj); |
436 |
Property *prop = opaque; |
437 |
char **ptr = qdev_get_prop_ptr(dev, prop);
|
438 |
|
439 |
if (!*ptr) {
|
440 |
char *str = (char *)""; |
441 |
visit_type_str(v, &str, name, errp); |
442 |
} else {
|
443 |
visit_type_str(v, ptr, name, errp); |
444 |
} |
445 |
} |
446 |
|
447 |
static void set_string(Object *obj, Visitor *v, void *opaque, |
448 |
const char *name, Error **errp) |
449 |
{ |
450 |
DeviceState *dev = DEVICE(obj); |
451 |
Property *prop = opaque; |
452 |
char **ptr = qdev_get_prop_ptr(dev, prop);
|
453 |
Error *local_err = NULL;
|
454 |
char *str;
|
455 |
|
456 |
if (dev->state != DEV_STATE_CREATED) {
|
457 |
error_set(errp, QERR_PERMISSION_DENIED); |
458 |
return;
|
459 |
} |
460 |
|
461 |
visit_type_str(v, &str, name, &local_err); |
462 |
if (local_err) {
|
463 |
error_propagate(errp, local_err); |
464 |
return;
|
465 |
} |
466 |
if (*ptr) {
|
467 |
g_free(*ptr); |
468 |
} |
469 |
*ptr = str; |
470 |
} |
471 |
|
472 |
PropertyInfo qdev_prop_string = { |
473 |
.name = "string",
|
474 |
.print = print_string, |
475 |
.release = release_string, |
476 |
.get = get_string, |
477 |
.set = set_string, |
478 |
}; |
479 |
|
480 |
/* --- drive --- */
|
481 |
|
482 |
static int parse_drive(DeviceState *dev, const char *str, void **ptr) |
483 |
{ |
484 |
BlockDriverState *bs; |
485 |
|
486 |
bs = bdrv_find(str); |
487 |
if (bs == NULL) |
488 |
return -ENOENT;
|
489 |
if (bdrv_attach_dev(bs, dev) < 0) |
490 |
return -EEXIST;
|
491 |
*ptr = bs; |
492 |
return 0; |
493 |
} |
494 |
|
495 |
static void release_drive(Object *obj, const char *name, void *opaque) |
496 |
{ |
497 |
DeviceState *dev = DEVICE(obj); |
498 |
Property *prop = opaque; |
499 |
BlockDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
500 |
|
501 |
if (*ptr) {
|
502 |
bdrv_detach_dev(*ptr, dev); |
503 |
blockdev_auto_del(*ptr); |
504 |
} |
505 |
} |
506 |
|
507 |
static const char *print_drive(void *ptr) |
508 |
{ |
509 |
return bdrv_get_device_name(ptr);
|
510 |
} |
511 |
|
512 |
static void get_drive(Object *obj, Visitor *v, void *opaque, |
513 |
const char *name, Error **errp) |
514 |
{ |
515 |
get_pointer(obj, v, opaque, print_drive, name, errp); |
516 |
} |
517 |
|
518 |
static void set_drive(Object *obj, Visitor *v, void *opaque, |
519 |
const char *name, Error **errp) |
520 |
{ |
521 |
set_pointer(obj, v, opaque, parse_drive, name, errp); |
522 |
} |
523 |
|
524 |
PropertyInfo qdev_prop_drive = { |
525 |
.name = "drive",
|
526 |
.get = get_drive, |
527 |
.set = set_drive, |
528 |
.release = release_drive, |
529 |
}; |
530 |
|
531 |
/* --- character device --- */
|
532 |
|
533 |
static int parse_chr(DeviceState *dev, const char *str, void **ptr) |
534 |
{ |
535 |
CharDriverState *chr = qemu_chr_find(str); |
536 |
if (chr == NULL) { |
537 |
return -ENOENT;
|
538 |
} |
539 |
if (chr->avail_connections < 1) { |
540 |
return -EEXIST;
|
541 |
} |
542 |
*ptr = chr; |
543 |
--chr->avail_connections; |
544 |
return 0; |
545 |
} |
546 |
|
547 |
static void release_chr(Object *obj, const char *name, void *opaque) |
548 |
{ |
549 |
DeviceState *dev = DEVICE(obj); |
550 |
Property *prop = opaque; |
551 |
CharDriverState **ptr = qdev_get_prop_ptr(dev, prop); |
552 |
|
553 |
if (*ptr) {
|
554 |
qemu_chr_add_handlers(*ptr, NULL, NULL, NULL, NULL); |
555 |
} |
556 |
} |
557 |
|
558 |
|
559 |
static const char *print_chr(void *ptr) |
560 |
{ |
561 |
CharDriverState *chr = ptr; |
562 |
|
563 |
return chr->label ? chr->label : ""; |
564 |
} |
565 |
|
566 |
static void get_chr(Object *obj, Visitor *v, void *opaque, |
567 |
const char *name, Error **errp) |
568 |
{ |
569 |
get_pointer(obj, v, opaque, print_chr, name, errp); |
570 |
} |
571 |
|
572 |
static void set_chr(Object *obj, Visitor *v, void *opaque, |
573 |
const char *name, Error **errp) |
574 |
{ |
575 |
set_pointer(obj, v, opaque, parse_chr, name, errp); |
576 |
} |
577 |
|
578 |
PropertyInfo qdev_prop_chr = { |
579 |
.name = "chr",
|
580 |
.get = get_chr, |
581 |
.set = set_chr, |
582 |
.release = release_chr, |
583 |
}; |
584 |
|
585 |
/* --- netdev device --- */
|
586 |
|
587 |
static int parse_netdev(DeviceState *dev, const char *str, void **ptr) |
588 |
{ |
589 |
NetClientState *netdev = qemu_find_netdev(str); |
590 |
|
591 |
if (netdev == NULL) { |
592 |
return -ENOENT;
|
593 |
} |
594 |
if (netdev->peer) {
|
595 |
return -EEXIST;
|
596 |
} |
597 |
*ptr = netdev; |
598 |
return 0; |
599 |
} |
600 |
|
601 |
static const char *print_netdev(void *ptr) |
602 |
{ |
603 |
NetClientState *netdev = ptr; |
604 |
|
605 |
return netdev->name ? netdev->name : ""; |
606 |
} |
607 |
|
608 |
static void get_netdev(Object *obj, Visitor *v, void *opaque, |
609 |
const char *name, Error **errp) |
610 |
{ |
611 |
get_pointer(obj, v, opaque, print_netdev, name, errp); |
612 |
} |
613 |
|
614 |
static void set_netdev(Object *obj, Visitor *v, void *opaque, |
615 |
const char *name, Error **errp) |
616 |
{ |
617 |
set_pointer(obj, v, opaque, parse_netdev, name, errp); |
618 |
} |
619 |
|
620 |
PropertyInfo qdev_prop_netdev = { |
621 |
.name = "netdev",
|
622 |
.get = get_netdev, |
623 |
.set = set_netdev, |
624 |
}; |
625 |
|
626 |
/* --- vlan --- */
|
627 |
|
628 |
static int print_vlan(DeviceState *dev, Property *prop, char *dest, size_t len) |
629 |
{ |
630 |
NetClientState **ptr = qdev_get_prop_ptr(dev, prop); |
631 |
|
632 |
if (*ptr) {
|
633 |
int id;
|
634 |
if (!net_hub_id_for_client(*ptr, &id)) {
|
635 |
return snprintf(dest, len, "%d", id); |
636 |
} |
637 |
} |
638 |
|
639 |
return snprintf(dest, len, "<null>"); |
640 |
} |
641 |
|
642 |
static void get_vlan(Object *obj, Visitor *v, void *opaque, |
643 |
const char *name, Error **errp) |
644 |
{ |
645 |
DeviceState *dev = DEVICE(obj); |
646 |
Property *prop = opaque; |
647 |
NetClientState **ptr = qdev_get_prop_ptr(dev, prop); |
648 |
int32_t id = -1;
|
649 |
|
650 |
if (*ptr) {
|
651 |
int hub_id;
|
652 |
if (!net_hub_id_for_client(*ptr, &hub_id)) {
|
653 |
id = hub_id; |
654 |
} |
655 |
} |
656 |
|
657 |
visit_type_int32(v, &id, name, errp); |
658 |
} |
659 |
|
660 |
static void set_vlan(Object *obj, Visitor *v, void *opaque, |
661 |
const char *name, Error **errp) |
662 |
{ |
663 |
DeviceState *dev = DEVICE(obj); |
664 |
Property *prop = opaque; |
665 |
NetClientState **ptr = qdev_get_prop_ptr(dev, prop); |
666 |
Error *local_err = NULL;
|
667 |
int32_t id; |
668 |
NetClientState *hubport; |
669 |
|
670 |
if (dev->state != DEV_STATE_CREATED) {
|
671 |
error_set(errp, QERR_PERMISSION_DENIED); |
672 |
return;
|
673 |
} |
674 |
|
675 |
visit_type_int32(v, &id, name, &local_err); |
676 |
if (local_err) {
|
677 |
error_propagate(errp, local_err); |
678 |
return;
|
679 |
} |
680 |
if (id == -1) { |
681 |
*ptr = NULL;
|
682 |
return;
|
683 |
} |
684 |
|
685 |
hubport = net_hub_port_find(id); |
686 |
if (!hubport) {
|
687 |
error_set(errp, QERR_INVALID_PARAMETER_VALUE, |
688 |
name, prop->info->name); |
689 |
return;
|
690 |
} |
691 |
*ptr = hubport; |
692 |
} |
693 |
|
694 |
PropertyInfo qdev_prop_vlan = { |
695 |
.name = "vlan",
|
696 |
.print = print_vlan, |
697 |
.get = get_vlan, |
698 |
.set = set_vlan, |
699 |
}; |
700 |
|
701 |
/* --- pointer --- */
|
702 |
|
703 |
/* Not a proper property, just for dirty hacks. TODO Remove it! */
|
704 |
PropertyInfo qdev_prop_ptr = { |
705 |
.name = "ptr",
|
706 |
}; |
707 |
|
708 |
/* --- mac address --- */
|
709 |
|
710 |
/*
|
711 |
* accepted syntax versions:
|
712 |
* 01:02:03:04:05:06
|
713 |
* 01-02-03-04-05-06
|
714 |
*/
|
715 |
static void get_mac(Object *obj, Visitor *v, void *opaque, |
716 |
const char *name, Error **errp) |
717 |
{ |
718 |
DeviceState *dev = DEVICE(obj); |
719 |
Property *prop = opaque; |
720 |
MACAddr *mac = qdev_get_prop_ptr(dev, prop); |
721 |
char buffer[2 * 6 + 5 + 1]; |
722 |
char *p = buffer;
|
723 |
|
724 |
snprintf(buffer, sizeof(buffer), "%02x:%02x:%02x:%02x:%02x:%02x", |
725 |
mac->a[0], mac->a[1], mac->a[2], |
726 |
mac->a[3], mac->a[4], mac->a[5]); |
727 |
|
728 |
visit_type_str(v, &p, name, errp); |
729 |
} |
730 |
|
731 |
static void set_mac(Object *obj, Visitor *v, void *opaque, |
732 |
const char *name, Error **errp) |
733 |
{ |
734 |
DeviceState *dev = DEVICE(obj); |
735 |
Property *prop = opaque; |
736 |
MACAddr *mac = qdev_get_prop_ptr(dev, prop); |
737 |
Error *local_err = NULL;
|
738 |
int i, pos;
|
739 |
char *str, *p;
|
740 |
|
741 |
if (dev->state != DEV_STATE_CREATED) {
|
742 |
error_set(errp, QERR_PERMISSION_DENIED); |
743 |
return;
|
744 |
} |
745 |
|
746 |
visit_type_str(v, &str, name, &local_err); |
747 |
if (local_err) {
|
748 |
error_propagate(errp, local_err); |
749 |
return;
|
750 |
} |
751 |
|
752 |
for (i = 0, pos = 0; i < 6; i++, pos += 3) { |
753 |
if (!qemu_isxdigit(str[pos]))
|
754 |
goto inval;
|
755 |
if (!qemu_isxdigit(str[pos+1])) |
756 |
goto inval;
|
757 |
if (i == 5) { |
758 |
if (str[pos+2] != '\0') |
759 |
goto inval;
|
760 |
} else {
|
761 |
if (str[pos+2] != ':' && str[pos+2] != '-') |
762 |
goto inval;
|
763 |
} |
764 |
mac->a[i] = strtol(str+pos, &p, 16);
|
765 |
} |
766 |
g_free(str); |
767 |
return;
|
768 |
|
769 |
inval:
|
770 |
error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str); |
771 |
g_free(str); |
772 |
} |
773 |
|
774 |
PropertyInfo qdev_prop_macaddr = { |
775 |
.name = "macaddr",
|
776 |
.get = get_mac, |
777 |
.set = set_mac, |
778 |
}; |
779 |
|
780 |
/* --- lost tick policy --- */
|
781 |
|
782 |
static const char *lost_tick_policy_table[LOST_TICK_MAX+1] = { |
783 |
[LOST_TICK_DISCARD] = "discard",
|
784 |
[LOST_TICK_DELAY] = "delay",
|
785 |
[LOST_TICK_MERGE] = "merge",
|
786 |
[LOST_TICK_SLEW] = "slew",
|
787 |
[LOST_TICK_MAX] = NULL,
|
788 |
}; |
789 |
|
790 |
QEMU_BUILD_BUG_ON(sizeof(LostTickPolicy) != sizeof(int)); |
791 |
|
792 |
PropertyInfo qdev_prop_losttickpolicy = { |
793 |
.name = "LostTickPolicy",
|
794 |
.enum_table = lost_tick_policy_table, |
795 |
.get = get_enum, |
796 |
.set = set_enum, |
797 |
}; |
798 |
|
799 |
/* --- BIOS CHS translation */
|
800 |
|
801 |
static const char *bios_chs_trans_table[] = { |
802 |
[BIOS_ATA_TRANSLATION_AUTO] = "auto",
|
803 |
[BIOS_ATA_TRANSLATION_NONE] = "none",
|
804 |
[BIOS_ATA_TRANSLATION_LBA] = "lba",
|
805 |
}; |
806 |
|
807 |
PropertyInfo qdev_prop_bios_chs_trans = { |
808 |
.name = "bios-chs-trans",
|
809 |
.enum_table = bios_chs_trans_table, |
810 |
.get = get_enum, |
811 |
.set = set_enum, |
812 |
}; |
813 |
|
814 |
/* --- pci address --- */
|
815 |
|
816 |
/*
|
817 |
* bus-local address, i.e. "$slot" or "$slot.$fn"
|
818 |
*/
|
819 |
static void set_pci_devfn(Object *obj, Visitor *v, void *opaque, |
820 |
const char *name, Error **errp) |
821 |
{ |
822 |
DeviceState *dev = DEVICE(obj); |
823 |
Property *prop = opaque; |
824 |
int32_t value, *ptr = qdev_get_prop_ptr(dev, prop); |
825 |
unsigned int slot, fn, n; |
826 |
Error *local_err = NULL;
|
827 |
char *str;
|
828 |
|
829 |
if (dev->state != DEV_STATE_CREATED) {
|
830 |
error_set(errp, QERR_PERMISSION_DENIED); |
831 |
return;
|
832 |
} |
833 |
|
834 |
visit_type_str(v, &str, name, &local_err); |
835 |
if (local_err) {
|
836 |
error_free(local_err); |
837 |
local_err = NULL;
|
838 |
visit_type_int32(v, &value, name, &local_err); |
839 |
if (local_err) {
|
840 |
error_propagate(errp, local_err); |
841 |
} else if (value < -1 || value > 255) { |
842 |
error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
|
843 |
"pci_devfn");
|
844 |
} else {
|
845 |
*ptr = value; |
846 |
} |
847 |
return;
|
848 |
} |
849 |
|
850 |
if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) { |
851 |
fn = 0;
|
852 |
if (sscanf(str, "%x%n", &slot, &n) != 1) { |
853 |
goto invalid;
|
854 |
} |
855 |
} |
856 |
if (str[n] != '\0' || fn > 7 || slot > 31) { |
857 |
goto invalid;
|
858 |
} |
859 |
*ptr = slot << 3 | fn;
|
860 |
g_free(str); |
861 |
return;
|
862 |
|
863 |
invalid:
|
864 |
error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str); |
865 |
g_free(str); |
866 |
} |
867 |
|
868 |
static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, size_t len) |
869 |
{ |
870 |
int32_t *ptr = qdev_get_prop_ptr(dev, prop); |
871 |
|
872 |
if (*ptr == -1) { |
873 |
return snprintf(dest, len, "<unset>"); |
874 |
} else {
|
875 |
return snprintf(dest, len, "%02x.%x", *ptr >> 3, *ptr & 7); |
876 |
} |
877 |
} |
878 |
|
879 |
PropertyInfo qdev_prop_pci_devfn = { |
880 |
.name = "int32",
|
881 |
.legacy_name = "pci-devfn",
|
882 |
.print = print_pci_devfn, |
883 |
.get = get_int32, |
884 |
.set = set_pci_devfn, |
885 |
}; |
886 |
|
887 |
/* --- blocksize --- */
|
888 |
|
889 |
static void set_blocksize(Object *obj, Visitor *v, void *opaque, |
890 |
const char *name, Error **errp) |
891 |
{ |
892 |
DeviceState *dev = DEVICE(obj); |
893 |
Property *prop = opaque; |
894 |
uint16_t value, *ptr = qdev_get_prop_ptr(dev, prop); |
895 |
Error *local_err = NULL;
|
896 |
const int64_t min = 512; |
897 |
const int64_t max = 32768; |
898 |
|
899 |
if (dev->state != DEV_STATE_CREATED) {
|
900 |
error_set(errp, QERR_PERMISSION_DENIED); |
901 |
return;
|
902 |
} |
903 |
|
904 |
visit_type_uint16(v, &value, name, &local_err); |
905 |
if (local_err) {
|
906 |
error_propagate(errp, local_err); |
907 |
return;
|
908 |
} |
909 |
if (value < min || value > max) {
|
910 |
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, |
911 |
dev->id?:"", name, (int64_t)value, min, max);
|
912 |
return;
|
913 |
} |
914 |
|
915 |
/* We rely on power-of-2 blocksizes for bitmasks */
|
916 |
if ((value & (value - 1)) != 0) { |
917 |
error_set(errp, QERR_PROPERTY_VALUE_NOT_POWER_OF_2, |
918 |
dev->id?:"", name, (int64_t)value);
|
919 |
return;
|
920 |
} |
921 |
|
922 |
*ptr = value; |
923 |
} |
924 |
|
925 |
PropertyInfo qdev_prop_blocksize = { |
926 |
.name = "blocksize",
|
927 |
.get = get_uint16, |
928 |
.set = set_blocksize, |
929 |
}; |
930 |
|
931 |
/* --- pci host address --- */
|
932 |
|
933 |
static void get_pci_host_devaddr(Object *obj, Visitor *v, void *opaque, |
934 |
const char *name, Error **errp) |
935 |
{ |
936 |
DeviceState *dev = DEVICE(obj); |
937 |
Property *prop = opaque; |
938 |
PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop); |
939 |
char buffer[] = "xxxx:xx:xx.x"; |
940 |
char *p = buffer;
|
941 |
int rc = 0; |
942 |
|
943 |
rc = snprintf(buffer, sizeof(buffer), "%04x:%02x:%02x.%d", |
944 |
addr->domain, addr->bus, addr->slot, addr->function); |
945 |
assert(rc == sizeof(buffer) - 1); |
946 |
|
947 |
visit_type_str(v, &p, name, errp); |
948 |
} |
949 |
|
950 |
/*
|
951 |
* Parse [<domain>:]<bus>:<slot>.<func>
|
952 |
* if <domain> is not supplied, it's assumed to be 0.
|
953 |
*/
|
954 |
static void set_pci_host_devaddr(Object *obj, Visitor *v, void *opaque, |
955 |
const char *name, Error **errp) |
956 |
{ |
957 |
DeviceState *dev = DEVICE(obj); |
958 |
Property *prop = opaque; |
959 |
PCIHostDeviceAddress *addr = qdev_get_prop_ptr(dev, prop); |
960 |
Error *local_err = NULL;
|
961 |
char *str, *p;
|
962 |
char *e;
|
963 |
unsigned long val; |
964 |
unsigned long dom = 0, bus = 0; |
965 |
unsigned int slot = 0, func = 0; |
966 |
|
967 |
if (dev->state != DEV_STATE_CREATED) {
|
968 |
error_set(errp, QERR_PERMISSION_DENIED); |
969 |
return;
|
970 |
} |
971 |
|
972 |
visit_type_str(v, &str, name, &local_err); |
973 |
if (local_err) {
|
974 |
error_propagate(errp, local_err); |
975 |
return;
|
976 |
} |
977 |
|
978 |
p = str; |
979 |
val = strtoul(p, &e, 16);
|
980 |
if (e == p || *e != ':') { |
981 |
goto inval;
|
982 |
} |
983 |
bus = val; |
984 |
|
985 |
p = e + 1;
|
986 |
val = strtoul(p, &e, 16);
|
987 |
if (e == p) {
|
988 |
goto inval;
|
989 |
} |
990 |
if (*e == ':') { |
991 |
dom = bus; |
992 |
bus = val; |
993 |
p = e + 1;
|
994 |
val = strtoul(p, &e, 16);
|
995 |
if (e == p) {
|
996 |
goto inval;
|
997 |
} |
998 |
} |
999 |
slot = val; |
1000 |
|
1001 |
if (*e != '.') { |
1002 |
goto inval;
|
1003 |
} |
1004 |
p = e + 1;
|
1005 |
val = strtoul(p, &e, 10);
|
1006 |
if (e == p) {
|
1007 |
goto inval;
|
1008 |
} |
1009 |
func = val; |
1010 |
|
1011 |
if (dom > 0xffff || bus > 0xff || slot > 0x1f || func > 7) { |
1012 |
goto inval;
|
1013 |
} |
1014 |
|
1015 |
if (*e) {
|
1016 |
goto inval;
|
1017 |
} |
1018 |
|
1019 |
addr->domain = dom; |
1020 |
addr->bus = bus; |
1021 |
addr->slot = slot; |
1022 |
addr->function = func; |
1023 |
|
1024 |
g_free(str); |
1025 |
return;
|
1026 |
|
1027 |
inval:
|
1028 |
error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str); |
1029 |
g_free(str); |
1030 |
} |
1031 |
|
1032 |
PropertyInfo qdev_prop_pci_host_devaddr = { |
1033 |
.name = "pci-host-devaddr",
|
1034 |
.get = get_pci_host_devaddr, |
1035 |
.set = set_pci_host_devaddr, |
1036 |
}; |
1037 |
|
1038 |
/* --- public helpers --- */
|
1039 |
|
1040 |
static Property *qdev_prop_walk(Property *props, const char *name) |
1041 |
{ |
1042 |
if (!props)
|
1043 |
return NULL; |
1044 |
while (props->name) {
|
1045 |
if (strcmp(props->name, name) == 0) |
1046 |
return props;
|
1047 |
props++; |
1048 |
} |
1049 |
return NULL; |
1050 |
} |
1051 |
|
1052 |
static Property *qdev_prop_find(DeviceState *dev, const char *name) |
1053 |
{ |
1054 |
ObjectClass *class; |
1055 |
Property *prop; |
1056 |
|
1057 |
/* device properties */
|
1058 |
class = object_get_class(OBJECT(dev)); |
1059 |
do {
|
1060 |
prop = qdev_prop_walk(DEVICE_CLASS(class)->props, name); |
1061 |
if (prop) {
|
1062 |
return prop;
|
1063 |
} |
1064 |
class = object_class_get_parent(class); |
1065 |
} while (class != object_class_by_name(TYPE_DEVICE));
|
1066 |
|
1067 |
return NULL; |
1068 |
} |
1069 |
|
1070 |
void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev, |
1071 |
Property *prop, const char *value) |
1072 |
{ |
1073 |
switch (ret) {
|
1074 |
case -EEXIST:
|
1075 |
error_set(errp, QERR_PROPERTY_VALUE_IN_USE, |
1076 |
object_get_typename(OBJECT(dev)), prop->name, value); |
1077 |
break;
|
1078 |
default:
|
1079 |
case -EINVAL:
|
1080 |
error_set(errp, QERR_PROPERTY_VALUE_BAD, |
1081 |
object_get_typename(OBJECT(dev)), prop->name, value); |
1082 |
break;
|
1083 |
case -ENOENT:
|
1084 |
error_set(errp, QERR_PROPERTY_VALUE_NOT_FOUND, |
1085 |
object_get_typename(OBJECT(dev)), prop->name, value); |
1086 |
break;
|
1087 |
case 0: |
1088 |
break;
|
1089 |
} |
1090 |
} |
1091 |
|
1092 |
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value) |
1093 |
{ |
1094 |
char *legacy_name;
|
1095 |
Error *err = NULL;
|
1096 |
|
1097 |
legacy_name = g_strdup_printf("legacy-%s", name);
|
1098 |
if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) { |
1099 |
object_property_parse(OBJECT(dev), value, legacy_name, &err); |
1100 |
} else {
|
1101 |
object_property_parse(OBJECT(dev), value, name, &err); |
1102 |
} |
1103 |
g_free(legacy_name); |
1104 |
|
1105 |
if (err) {
|
1106 |
qerror_report_err(err); |
1107 |
error_free(err); |
1108 |
return -1; |
1109 |
} |
1110 |
return 0; |
1111 |
} |
1112 |
|
1113 |
void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value) |
1114 |
{ |
1115 |
Error *errp = NULL;
|
1116 |
object_property_set_bool(OBJECT(dev), value, name, &errp); |
1117 |
assert_no_error(errp); |
1118 |
} |
1119 |
|
1120 |
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value) |
1121 |
{ |
1122 |
Error *errp = NULL;
|
1123 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
1124 |
assert_no_error(errp); |
1125 |
} |
1126 |
|
1127 |
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value) |
1128 |
{ |
1129 |
Error *errp = NULL;
|
1130 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
1131 |
assert_no_error(errp); |
1132 |
} |
1133 |
|
1134 |
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value) |
1135 |
{ |
1136 |
Error *errp = NULL;
|
1137 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
1138 |
assert_no_error(errp); |
1139 |
} |
1140 |
|
1141 |
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value) |
1142 |
{ |
1143 |
Error *errp = NULL;
|
1144 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
1145 |
assert_no_error(errp); |
1146 |
} |
1147 |
|
1148 |
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value) |
1149 |
{ |
1150 |
Error *errp = NULL;
|
1151 |
object_property_set_int(OBJECT(dev), value, name, &errp); |
1152 |
assert_no_error(errp); |
1153 |
} |
1154 |
|
1155 |
void qdev_prop_set_string(DeviceState *dev, const char *name, const char *value) |
1156 |
{ |
1157 |
Error *errp = NULL;
|
1158 |
object_property_set_str(OBJECT(dev), value, name, &errp); |
1159 |
assert_no_error(errp); |
1160 |
} |
1161 |
|
1162 |
int qdev_prop_set_drive(DeviceState *dev, const char *name, BlockDriverState *value) |
1163 |
{ |
1164 |
Error *errp = NULL;
|
1165 |
const char *bdrv_name = value ? bdrv_get_device_name(value) : ""; |
1166 |
object_property_set_str(OBJECT(dev), bdrv_name, |
1167 |
name, &errp); |
1168 |
if (errp) {
|
1169 |
qerror_report_err(errp); |
1170 |
error_free(errp); |
1171 |
return -1; |
1172 |
} |
1173 |
return 0; |
1174 |
} |
1175 |
|
1176 |
void qdev_prop_set_drive_nofail(DeviceState *dev, const char *name, BlockDriverState *value) |
1177 |
{ |
1178 |
if (qdev_prop_set_drive(dev, name, value) < 0) { |
1179 |
exit(1);
|
1180 |
} |
1181 |
} |
1182 |
void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value) |
1183 |
{ |
1184 |
Error *errp = NULL;
|
1185 |
assert(!value || value->label); |
1186 |
object_property_set_str(OBJECT(dev), |
1187 |
value ? value->label : "", name, &errp);
|
1188 |
assert_no_error(errp); |
1189 |
} |
1190 |
|
1191 |
void qdev_prop_set_netdev(DeviceState *dev, const char *name, NetClientState *value) |
1192 |
{ |
1193 |
Error *errp = NULL;
|
1194 |
assert(!value || value->name); |
1195 |
object_property_set_str(OBJECT(dev), |
1196 |
value ? value->name : "", name, &errp);
|
1197 |
assert_no_error(errp); |
1198 |
} |
1199 |
|
1200 |
void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value) |
1201 |
{ |
1202 |
Error *errp = NULL;
|
1203 |
char str[2 * 6 + 5 + 1]; |
1204 |
snprintf(str, sizeof(str), "%02x:%02x:%02x:%02x:%02x:%02x", |
1205 |
value[0], value[1], value[2], value[3], value[4], value[5]); |
1206 |
|
1207 |
object_property_set_str(OBJECT(dev), str, name, &errp); |
1208 |
assert_no_error(errp); |
1209 |
} |
1210 |
|
1211 |
void qdev_prop_set_enum(DeviceState *dev, const char *name, int value) |
1212 |
{ |
1213 |
Property *prop; |
1214 |
Error *errp = NULL;
|
1215 |
|
1216 |
prop = qdev_prop_find(dev, name); |
1217 |
object_property_set_str(OBJECT(dev), prop->info->enum_table[value], |
1218 |
name, &errp); |
1219 |
assert_no_error(errp); |
1220 |
} |
1221 |
|
1222 |
void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value) |
1223 |
{ |
1224 |
Property *prop; |
1225 |
void **ptr;
|
1226 |
|
1227 |
prop = qdev_prop_find(dev, name); |
1228 |
assert(prop && prop->info == &qdev_prop_ptr); |
1229 |
ptr = qdev_get_prop_ptr(dev, prop); |
1230 |
*ptr = value; |
1231 |
} |
1232 |
|
1233 |
static QTAILQ_HEAD(, GlobalProperty) global_props = QTAILQ_HEAD_INITIALIZER(global_props);
|
1234 |
|
1235 |
static void qdev_prop_register_global(GlobalProperty *prop) |
1236 |
{ |
1237 |
QTAILQ_INSERT_TAIL(&global_props, prop, next); |
1238 |
} |
1239 |
|
1240 |
void qdev_prop_register_global_list(GlobalProperty *props)
|
1241 |
{ |
1242 |
int i;
|
1243 |
|
1244 |
for (i = 0; props[i].driver != NULL; i++) { |
1245 |
qdev_prop_register_global(props+i); |
1246 |
} |
1247 |
} |
1248 |
|
1249 |
void qdev_prop_set_globals(DeviceState *dev)
|
1250 |
{ |
1251 |
ObjectClass *class = object_get_class(OBJECT(dev)); |
1252 |
|
1253 |
do {
|
1254 |
GlobalProperty *prop; |
1255 |
QTAILQ_FOREACH(prop, &global_props, next) { |
1256 |
if (strcmp(object_class_get_name(class), prop->driver) != 0) { |
1257 |
continue;
|
1258 |
} |
1259 |
if (qdev_prop_parse(dev, prop->property, prop->value) != 0) { |
1260 |
exit(1);
|
1261 |
} |
1262 |
} |
1263 |
class = object_class_get_parent(class); |
1264 |
} while (class);
|
1265 |
} |
1266 |
|
1267 |
static int qdev_add_one_global(QemuOpts *opts, void *opaque) |
1268 |
{ |
1269 |
GlobalProperty *g; |
1270 |
|
1271 |
g = g_malloc0(sizeof(*g));
|
1272 |
g->driver = qemu_opt_get(opts, "driver");
|
1273 |
g->property = qemu_opt_get(opts, "property");
|
1274 |
g->value = qemu_opt_get(opts, "value");
|
1275 |
qdev_prop_register_global(g); |
1276 |
return 0; |
1277 |
} |
1278 |
|
1279 |
void qemu_add_globals(void) |
1280 |
{ |
1281 |
qemu_opts_foreach(qemu_find_opts("global"), qdev_add_one_global, NULL, 0); |
1282 |
} |